Removed unused variable from tests
Removed unused variable from tests

This variable was not used anywhere, thus it is safe to remove it.

Change-Id: I23caa3d55c5f6eecee03b8c0488ae65d61107903

crobby/sahara,esikachev/scenario,tellesnobrega/sahara,zhangjunli177/sahara,openstack/sahara,zhujzhuo/Sahara,zhangjunli177/sahara,henaras/sahara,esikachev/scenario,esikachev/sahara-backup,bigfootproject/sahara,crobby/sahara,henaras/sahara,crobby/sahara,zhujzhuo/Sahara,matips/iosr-2015,tellesnobrega/sahara,ekasitk/sahara,egafford/sahara,zhujzhuo/Sahara,matips/iosr-2015,egafford/sahara,bigfootproject/sahara,ekasitk/sahara,redhat-openstack/sahara,zhangjunli177/sahara,matips/iosr-2015,esikachev/scenario,henaras/sahara,bigfootproject/sahara,redhat-openstack/sahara,esikachev/sahara-backup,ekasitk/sahara,esikachev/sahara-backup,openstack/sahara,redhat-openstack/sahara